Finding the Fourth Proportional to 331,924,268.24, 458,115,448.11 and 197,970,771.11
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Solution
The fourth proportional to 331,924,268.24, 458,115,448.11 and 197,970,771.11 is: 273,235,425.06
Step by Step Solution
- Step 1: Write the proportion equation
331,924,268.24 : 458,115,448.11 = 197,970,771.11 : x - Step 2: Convert to fraction form
331,924,268.24/458,115,448.11 = 197,970,771.11/x - Step 3: Cross multiply
331,924,268.24x = 458,115,448.11 × 197,970,771.11 - Step 4: Simplify right side
331,924,268.24x = 90,693,468,517,449,312 - Step 5: Solve for x
x = 90,693,468,517,449,312/331,924,268.24 - Step 6: Final answer
x = 273,235,425.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.